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§ 420.85 Pretreatment standards for existing sources (PSES).
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.
(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.
Subpart H
Pollutant or pollutant property | Pretreatment standards for existing sources | |
---|---|---|
Maximum for any 1 day | Average of daily values for 30 consecutive days | |
Kg/kkg (pounds per 1,000 lb) of product | ||
Chromium | 0.00292 | 0.00117 |
Nickel | 0.00263 | 0.000876 |